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How do I calculate the relative formula mass of FeSO4 and the number of moles, when the formula mass of O=16, S=32, Fe=56 and the mass of FeSO4= 380g

The formula mass (Mr) of FeSO4 is the total mass of all the individual elemenets added together. So the Mr of FeSO4 = (1 x Fe) + (1 x S) + (4 x O) = 56 + 32 + 4x16 = 152 To calculate moles, the equation for ...
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Answered by Henry M. • Chemistry tutor
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How do I simplify the following equation x^2+5x+6

Firstly write out the question. x^2+5x+6. After this look at the constant without any x's. In this case that number is 6. Now look at the number 6 and work out the combination of factors for 6. Do this such ...
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Answered by Henry M. • Maths tutor
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Explain the process of transcription in living cells

Transcription factors together with enzymes such as DNA topoisomerase and DNA helicase reach the gene of interest. These enzymes uncoil the DNA and revelea the two strands of DNA that are wrapped around hist...
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What is ATP? Explain its structure, synthesis and function.

ATP, which stands for adenosine triphosphate, is a biomolecule formed by a purine base (adenine), a sugar molecule (ribose) and three phosphate groups. Its main function is to store energy within the cell. T...
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Answered by Alba R. • Biology tutor
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¿Qué te gusta hacer en tu tiempo libre?

Example response: En mi tiempo libre me gusta dibujar y ir al parque para jugar al fútbol con mis amigos. También me gusta mucho viajar porque me interesa visitar nuevos países.
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Answered by Kathryn M. • Spanish tutor
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